Princeton's WordNet(0.00 / 0 votes)Rate this definition:

Webster Dictionary(0.00 / 0 votes)Rate this definition:

a large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea

Origin: [NL., fr. Gr. 'a`rqron joint + -poda.]

Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition:

Arthropoda

ar-throp′od-a, n.pl. a great division of the animal kingdom, the body consisting of a definite number of segments, each having a pair of hollow jointed limbs into which the body muscles proceed. It again divides into two great groups—the water-breathers or Branchiata, and the air-breathers or Tracheata.—adj.Arthrop′odal. [Gr. arthron, joint, and pous, pod-os, a foot.]